package com.snail.ron.design.lsp;

import java.util.Collection;
import java.util.HashMap;

/**
 * @author xueguoping
 * @desc: TODO
 * @date 2022/4/412:10
 */
public class Father {
    public Collection doSomething(HashMap map){
        System.out.println("父类执行...");
        return map.values();
    }
}
